NavBoot BESS
303.7 MW storage in Nueces, TX · In queue since March 2023 · Proposed COD November 2027
303.7 MW
Capacity
1
Components
Battery
3 years
In Queue
Facility Study
IA Status
COD target: 2027
Total Duration
4y 8m
Interconnection request submitted to ISO/RTO
ERCOT uses a serial "connect and manage" approach — fastest among major ISOs.
Typical: 18–30 months (fastest major ISO)
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2027-11-11
State
TX
County
Nueces
Region
ERCOT
Developer
Navboot BESS LLC
Utility
—
Entity
ERCOT
Point of Interconnection
8858 MCKENZIE4A 138kV
Data Source
LBNL + Live
ROUNDUP: Texas BESS updates from SolarMax, Energy Vault, Engie, and Spearmint
A roundup of BESS projects from SolarMax, Energy Vault, Engie, and Spearmint in the Electric Reliability Council of Texas (ERCOT) market.
ROUNDUP: Texas BESS updates from SolarMax, Energy Vault, Engie, and Spearmint
A roundup of BESS projects from SolarMax, Energy Vault, Engie, and Spearmint in the Electric Reliability Council of Texas (ERCOT) market.
ROUNDUP: Texas BESS updates from SolarMax, Energy Vault, Engie, and Spearmint
A roundup of BESS projects from SolarMax, Energy Vault, Engie, and Spearmint in the Electric Reliability Council of Texas (ERCOT) market.
ROUNDUP: Texas BESS updates from SolarMax, Energy Vault, Engie, and Spearmint
A roundup of BESS projects from SolarMax, Energy Vault, Engie, and Spearmint in the Electric Reliability Council of Texas (ERCOT) market.
Last updated 2026-03-26